Mycom GH320S, Screw compressor, Open
Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.
All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.
| Item num. | Ralco P/N | OEM P/N | Description (from OEM manufacturer) | Add | |
|---|---|---|---|---|---|
| 1 | NA | Rotor Casing (GH320S). | |||
| 2-B | NA | Stud Bolt (M30×162). | |||
| 2-N | NA | Hexagon Nut (M30). | |||
| 3 | NA | Parallel Pin with Internal Thread (φ30×100 with groove). | |||
| 5 | NA | Suction Cover (GH320). | |||
| 6-1 | PC11056 | O-ring (JIS B2401 P56 FKM-70). | |||
| 6-2 | PC11056 | O-ring. | |||
| 7-1 | NB60030 | Eyebolt for Suction Cover (alone) lifting (M30). | |||
| 7-2 | NB60042 | Eyebolt for Compressor lifting (M42). | |||
| 9 | PC12090 | O-ring (JIS B2401 G90 FKM-70). | |||
| 10-A | NF062N004 | Plug (NPT1/2"). | |||
| 10-B | NF062N006 | Plug (NPT3/4"). | |||
| 10-C | NF062N008 | Plug (NPT1"). | |||
| 10-D | NA | Plug (NPT1-1/4"). | |||
| 10-E | NA | Plug, Oil Amount Adjustment (NPT3/4" with φ6 hole). | |||
| 11 | NA | Bearing Head. | |||
| 13 | NB600042 | Eyebolt for Compressor lifting (M42). | |||
| 14 | DWLCM8X16 | NE3208016 | Spring Pin (φ8×16). | ||
| 15-A | NF062N006 | Plug (NPT3/4"). | |||
| 15-B | NA | Plug (NPT1-1/4"). | |||
| 16 | NA | Bearing cover (GH320). | |||
| 17 | NA | O-ring. | |||
| 18-B | NA | Stud Bolt (M24×145). | |||
| 18-N | NC14024H | Hexagon Nut (M24,P=3 S45C-H). | |||
| 19 | NE242A20100A | Parallel Pin with Internal Thread (φ20×100 with groove). | |||
| 21 | NF062N006 | Plug (NPT3/4"). | |||
| 22-M | NA | Balance Piston Cover (M) (GH320). | |||
| 22-F | NA | Balance Piston Cover (F) (GH320). | |||
| 23-M | PC11300 | O-ring (JIS B2401 P300 FKM-70). | |||
| 23-F | PC12210 | O-ring (JIS B2401 G210 FKM-70). | |||
| 24-MB | NA | Stud Bolt (M20×120). | |||
| 24-MN | NC14020H | Hexagon Nut (M20,P=3 S45C-H). | |||
| 24-FB | NA | Stud Bolt (M16×95). | |||
| 24-FN | NC14016H | Hexagon Nut (M16,P=3 S45C-H). | |||
| 25 | CS02511G320SM | Male Rotor (GH320S). | |||
| 26 | CS02511G320SF | Female Rotor (GH320S). | |||
| 27 | CS02700GH320 | Main Bearing (GH320). | |||
| 28-1 | CS02800GH320 | Floating Seal (GH320). | |||
| 28-2 | PC12165 | O-ring (JIS B2401 G165 FKM-70). | |||
| 29 | SNPCMIX190 | NG11190 | C Type Retaining Ring (Snap Ring) (H190 C type-internal). | ||
| 30-M1 | NA | Balance Piston (M-1) (φ285/φ240 choice). | |||
| 30-M2 | NA | Balance Piston (M-2) (GH320S). | |||
| 30-F | NA | Balance Piston (F) (GH320S). | |||
| 31-M | CS03100GH320M | Key, Balance Piston (M). | |||
| 31-F | CS03100GH320F | Key, Balance Piston (F). | |||
| 32-M1 | CS03200GH320 | Lock Nut, Balance Piston (GH320 special). | |||
| 32-M2 | NG32019 | Lock Washer (JIS B1554 AW19A). | |||
| 32-F | NG12065 | Snap Ring (Retaining/Stop Ring) (S65 C type-external). | |||
| 33-M1 | CS03300GH320M1 | Balance Piston Sleeve (M-1) (φ285/φ240 choice). | |||
| 33-M2 | CS03300GH320M2 | Balance Piston Sleeve (M-2) (GH320 M-2). | |||
| 33-F1 | CS03300GH320F1 | Balance Piston Sleeve (F-1) (GH320 F-1). | |||
| 33-F2 | CS03000GH320F2 | Balance Piston Sleeve (F-2) (GH320 F-2). | |||
| 34 | DWLCM8X16 | NE3208016 | Spring Pin (φ8×16). | ||
| 35-M1 | PC11300 | O-ring (JIS B2401 P300 FKM-70). | |||
| 35-M2 | PG11T2300 | Backup Ring (SUN-2BP-300-T2). | |||
| 35-M3 | PC12130 | O-ring (JIS B2401 G130 FKM-70). | |||
| 35-M4 | PC12115 | O-ring (JIS B2401 G115 FKM-70). | |||
| 35-F1 | PC12100 | O-ring (JIS B2401 G100 FKM-70). | |||
| 35-F2 | PC12085 | O-ring (JIS B2401 G85 FKM-70). | |||
| 35-F3 | PC12200 | O-ring (JIS B2401 G200 FKM-70). | |||
| 36-M | CS03600GH320M | Gland, Balance Piston Sleeve (M) (GH320S M). | |||
| 36-F | CS03600GH320F | Gland, Balance Piston Sleeve (F) (GH320S F). | |||
| 37-1 | NB35410025 | Hexagon Socket Head Cap Screw (M10×25). | |||
| 37-2 | ND160010H | Conical Spring Washer (M10 for Hex head cap screw). | |||
| 37-3 | NG11220 | C type Retaining Ring (H220 C type-internal). | |||
| 38-M | CS038TH32MORI | Thrust Bearing Assembly (M) (TPTB). | |||
| 38-F | CS038TH32FORI | Thrust Bearing Assembly (F) (TPTB). | |||
| 39-M | NG31023 | Lock Nut (AN23). | |||
| 39-F | LCKCMKM19 | NG31019 | Lock Nut (AN19). | ||
| 41-M | CS04100GH320M | Spacer, Thrust Bearing Outer Race (M) (GH320 M). | |||
| 41-F | CS04100GH320F | Spacer, Thrust Bearing Outer Race (F) (GH320 F). | |||
| 42-M | CS04200GH320M | Spacer, Thrust Bearing Alignment (M) (GH320 M). | |||
| 42-F | CS04200GH320F | Spacer, Thrust Bearing Alignment (F) (GH320 F). | |||
| 43-M | CS04300GH320M | Gland, Thrust Bearing (M) (GH320 M). | |||
| 43-F | CS04300GH320F | Gland, Thrust Bearing (F) (GH320 F). | |||
| 45-M | NB111020065 | Hexagon Head Screw (M20×65). | |||
| 45-F | NB111016060 | Hexagon Head Screw (M16×60). | |||
| 46-M | ND150020H | Conical Spring Washer (M20 for Hex head screw). | |||
| 46-F | ND150016H | Conical Spring Washer (M16 for Hex head screw). | |||
| 53-B | NBU5800416U | Stud Bolt (M16×105). | |||
| 53-N | NCU160416 | Hexagon Nut (M16). | |||
| 54 | CS05404GH320 | Unloader Slide Valve (Vi choice) (Vi=E / L / M / H choice). | |||
| 58 | BLTCMA16X065 | NB35416065 | Hexagon Socket Head Cap Screw (M16×65). | ||
| 60 | CS06007TG320 | Unloader Cylinder (GH320S). | |||
| 63 | PC12250 | O-ring (JIS B2401 G250 FKM-70). | |||
| 64-1 | CS06400GH320 | Unloader Piston (GH320S). | |||
| 64-2 | CS06400GH320A | Gland, Unloader Piston O-ring (GH320S). | |||
| 65 | PC11215 | O-ring (JIS B2401 P215 FKM-70). | |||
| 66 | CS06600400 | Cap Seal (SUNR-BE-215). | |||
| 67 | CS06700GH320S | Unloader Push Rod (GH320S). | |||
| 69 | CS06900GH320 | Lock Nut for Unloader Piston (GH320S Special). | |||
| 70 | LCKCMMB10 | NG32010 | Lock Washer (JIS B1554 AW10-A). | ||
| 73 | PC11050A | O-ring (JIS B2401 P50A FKM-70). | |||
| 74 | NA | Unloader Cover (GH320S). | |||
| 75 | PC12220 | O-ring (JIS B2401 G220 FKM-70). | |||
| 76-B | NA | Stud Bolt (M20×180). | |||
| 76-N | NA | Hexagon Nut (M16). | |||
| 91 | CS09100GH320 | Coupling Key (GH320S special size). | |||
| 92 | CS741A60100 | Suction Flange (ANSI #600 RF 10"). | |||
| 93 | CS747J60RF100 | Suction Flange Gasket (V/#8596 JPI #600 RF 10"). | |||
| 94-B | NA | Stud Bolt (1-1/4-7UNC×185). | |||
| 94-N | NCU151147UNC | Hexagon Nut (1-1/4-7UNC). | |||
| 95 | CS741A60100 | Discharge Flange (ANSI #600 RF 10"). | |||
| 96 | CS747J60RF100 | Discharge Flange Gasket (V/#8596 JPI #600 RF 10"). | |||
| 97-B | NA | Stud Bolt (1-1/4-7UNC×185). | |||
| 97-N | NCU151147UNC | Hexagon Nut (1-1/4-7UNC). | |||
| 100 | CS10000GH320 | Mechanical Seal Assembly (GH320). | |||
| 111-1 | NG31023 | Lock Nut (JIS B1554 AN23). | |||
| 111-2 | CS11100GH320S | Washer (Mechanical seal side). | |||
| 111-3 | NA | Rotation Stop Key (Mechanical seal side). | |||
| 112 | PC12110 | O-ring (JIS B2401 G110 FKM-70). | |||
| 120 | NA | Unloader Indicator Assembly (Displacement sensor Assy). | |||
| 150-M | PC12290 | O-ring (JIS B2401 G290 FKM-70). | |||
| 150-F | PC12195 | O-ring (JIS B2401 G195 FKM-70). | |||
| 215-A | CS741A60100 | Cover Flange, Main Bearing Lubrication Port (ANSI #600 RF 1"). | |||
| 215-B | CS741A60100 | Cover Flange, Side Bearing Lubrication Port (ANSI #600 RF 1"). | |||
| 215-C | CS741A60100 | Cover Flange, Balance Piston M Lubrication Port (ANSI #600 RF 1"). | |||
| 215-D | CS741A60006 | Cover Flange, Balance Piston F Lubrication Port (ANSI #600 RF 3/4"). | |||
| 215-E | CS741A60100 | Cover Flange, Mechanical Seal Lubrication Port (ANSI #600 RF 1"). | |||
| 215-F | CS741A60006 | Cover Flange, Unloader Lubrication Port (ANSI #600 RF 3/4"). | |||
| 216-A | CS747J60RF100 | Flange Gasket, 215-A (V/#8596 JPI #600 RF 1"). | |||
| 216-B | CS747J60RF100 | Flange Gasket, 215-B (V/#8596 JPI #600 RF 1"). | |||
| 216-C | CS747J60RF100 | Flange Gasket, 215-C (V/#8596 JPI #600 RF 1"). | |||
| 216-D | CS747J60RF006 | Flange Gasket, 215-D (V/#8596 JPI #600 RF 3/4"). | |||
| 216-E | CS747J60RF100 | Flange Gasket, 215-E (V/#8596 JPI #600 RF 1"). | |||
| 216-F | CS747J60RF006 | Flange Gasket, 215-F (V/#8596 JPI #600 RF 3/4"). | |||
| 217-B | NA | Stud Bolt, 215-A to F Port (5/8-11UNC×86). | |||
| 217-N | NCU1505811UNC | Hexagon Nut (5/8-11UNC). | |||
| 218 | CS741A60014 | Cover Flange, Oil Injection Port (ANSI #600 RF 1-1/2"). | |||
| 219 | CS747J60RF014 | Flange Gasket, Oil Injection Port (V/#8596 JPI #600 1-1/2"). | |||
| 220-B | NA | Stud Bolt (3/4-10UNC×105). | |||
| 220-N | NCU160610 | Hexagon Nut (3/4-10UNC). | |||
| 246 | CS24600GH320S | Unloader Slide Valve Guide (GH320S). | |||
| 247 | NB35412045 | Hexagon Socket Head Cap Screw (M12×45). | |||
| 248 | ND160012H | Conical Spring Washer (M12 type for Cap screw). | |||
| 249 | NE242A13040A | Parallel Pin with Internal Thread (φ13×40 with groove). | |||
| 250-M | CS25000GH320M | Thrust Washer M (TPTB side). | |||
| 250-F | CS25000GH320F | Thrust Washer F (TPTB side). | |||
| 325-1 | PC11070 | O-ring (JIS B2401 P70 FKM-70). | |||
| 325-2 | PG11T2070 | Backup Ring (SUN-2BP-70-T2). | |||
| 326 | CS32600GH320 | O-ring Gland (GH320S). | |||
| 346 | CS34600GH320 | Rotation Stop Key (TPTB side for M and F). | |||
| 432 | PC12170 | O-ring (JIS B2401 G170 FKM-70). | |||
| 456 | NB35410025 | Hexagon Socket Head Cap Screw (M10×25). | |||
| 458-A | NF062N006 | Plug (NPT 3/4"). | |||
| 458-B | NF062N008 | Plug (NPT 1"). | |||
| 458-C | NA | Plug (NPT1-1/4"). | |||
| 535 | CS741A60006 | Cover Flange, Drain Connect Port (ANSI #600 RF 3/4"). | |||
| 536 | CS747J60RF006 | Flange Gasket, 535 (V/#8596 JPI #600 RF 3/4"). | |||
| 538 | CS741A60100 | Cover Flange, TPTB Lubrication Port (ANSI #600 RF 1"). | |||
| 539 | CS747J60RF100 | Flange Gasket, 538 (V/#8596 JPI #600 RF 1"). | |||
| 540-B | NA | Stud Bolt, TPTB Lubrication Port (5/8-11UNC×86). | |||
| 540-N | NCU1505811UNC | Hexagon Nut, 540-B (5/8-11UNC). | |||
| 542-B | NA | Stud Bolt, Drain Connect Port (5/8-11UNC×86). | |||
| 542-N | NCU1505811UNC | Hexagon Nut, 542-B (5/8-11UNC). | |||
| 581 | NA | Plug, Balance Piston F Lubrication Line (NPT 3/8" with φ2 hole). | |||
| 605 | NF062N008 | Plug (NPT1-1/2"). | |||
| 662 | PC12035 | O-ring (JIS B2401 G35 FKM-70). | |||
| 663 | NB35403016 | Hexagon Socket Head Cap Screw (M3×16). | |||
| 697 | ND320003 | Spring Washer (M3). |
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